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Question

Assertion :Malonic acid (HOOCCH2COOH) does not form cyclic anhydride on heating. Reason: It is like β-keto acid, on heating it prefer to decarboxylate.

A
Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
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B
Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
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C
Assertion is correct but Reason is incorrect
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D
Assertion is incorrect but Reason is correct
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Solution

The correct option is B Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
Malonic acid (HOOCCH2COOH) does not form cyclic anhydride on heating due to formation of unstable ring.
β-keto acid, prefer to decarboxylate on heating because of -I effect of keto group as

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